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Proceedings Paper

Directional quasi-phase matching AlGaAs waveguide microresonators for efficient generation of quadratic frequency combs
Author(s): Maria Parisi; Iolanda Ricciardi; Simona Mosca; Natália Morais; Tobias Hansson; Stefan Wabnitz; Giuseppe Leo; Maurizio De Rosa
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Paper Abstract

Optical frequency combs currently represent enabling components in a wide number of fast-growing research fields, from frequency metrology to precision spectroscopy, from synchronization of telecommunication systems to environmental and biomedical spectrometry. As recently demonstrated, quadratic nonlinear media are a promising platform for optical frequency combs generation, through the onset of an internally pumped optical parametric oscillator in cavity enhanced second-harmonic generation systems. We present here a proposal for quadratic frequency comb generation in AlGaAs waveguide resonators. Based on the crystal symmetry properties of the AlGaAs material, quasi-phase matching can be realized in curved geometries (directional quasi-phase matching), thus ensuring efficient optical frequency conversion. We propose a novel design of AlGaAs waveguide resonators with strongly reduced total losses, compatible with long-path, high-quality resonators. By means of a numerical study, we predict efficient frequency comb generation with threshold powers in the microwatt range, paving the way for the full integration of frequency comb synthesizers in photonic circuits.

Paper Details

Date Published: 27 January 2017
PDF: 9 pages
Proc. SPIE 10111, Quantum Sensing and Nano Electronics and Photonics XIV, 1011120 (27 January 2017); doi: 10.1117/12.2256290
Show Author Affiliations
Maria Parisi, Istituto Nazionale di Ottica, CNR (Italy)
Iolanda Ricciardi, Istituto Nazionale di Ottica, CNR (Italy)
Simona Mosca, Istituto Nazionale di Ottica, CNR (Italy)
Natália Morais, Lab. Matériaux et Phénomènes Quantiques, Univ. Paris Diderot, Univ. Sorbonne Paris Cité, CNRS (France)
Tobias Hansson, Institut National de la Recherche Scientifique (Canada)
Stefan Wabnitz, Univ. degli Studi di Brescia (Italy)
Istituto Nazionale di Ottica, CNR (Italy)
Giuseppe Leo, Lab. Matériaux et Phénomènes Quantiques, Univ. Paris Diderot, Univ. Sorbonne Paris Cité, CNRS (France)
Maurizio De Rosa, Istituto Nazionale di Ottica, CNR (Italy)


Published in SPIE Proceedings Vol. 10111:
Quantum Sensing and Nano Electronics and Photonics XIV
Manijeh Razeghi, Editor(s)

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